p++BBS vulnerable to cross-site scripting


p++BBS provided by Let's PHP! contains a stored cross-site scripting vulnerability (CWE-79).

Koki Takahashi reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

Let's PHP!
  • p++BBS v4.05 and earlier


An arbitrary script may be executed on the user's web browser.

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Vendor Information

Let's PHP!
CWE (What is CWE?)

  1. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-7783

  1. JVN : JVN#72891124
  2. National Vulnerability Database (NVD) : CVE-2015-7783
Revision History

  • [2015/11/30]
      Web page was published
      References : Content was added